l carnitine shuttle Carnitine transport system - WikiLectures

Acetyl-L-carnitine supplementation to old rats partially reverts the age-related mitochondrial decay of soleus muscle by activating peroxisome proliferator-activated receptor gamma coactivator-1alpha-dependent mitochondrial biogenesis

Even so, in healthy adults, even with strict vegetarian patterns, a clinical deficiency is uncommon because endogenous synthesis usually meets needs, although context (age, nutritional status, illness) can modify this situation

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Furthermore, aging leads to reduced transcription of OCTN2 mRNA [87], the l-carnitine transporter, indicating that tissue distribution and homeostasis of l-carnitine is hampered with advanced age

Ultimately, this underscores the need for further studies to better understand the underlying causes of changes in carnitine metabolism in AUDs, evaluate the effectiveness of carnitine supplementation in AUD, and understand the mechanisms by which carnitine may support treatment of AUDs